Quote:
Originally Posted by krnnerdboy
I'm under the impression that the header tune only changes the 02 sensor bypass and not the map. That way if I don't do the headers I won't have any emissions issues
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I'm not 100% positive on that. But I figured the car would run better with all sensors in place, especially if I haven't swapped out the headers yet. I'll probably do headers down the road. We'll see.